<template>
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools :show-before="true">
        <span slot="before">共{{ page.total }}条记录</span>
        <template slot="after">
          <el-button
            size="small"
            type="warning"
            @click="$router.push('/import?type=user')"
          >导入</el-button>
          <el-button
            size="small"
            type="danger"
            @click="exportMutiData"
          >导出</el-button>
          <el-button
            size="small"
            type="primary"
            :disabled="!ckp('add')"
            @click="showDialog = true"
          >新增员工</el-button>
        </template>
      </page-tools>
      <!-- 放置表格和分页 -->
      <el-card>
        <el-table
          :data="list"
          border
        >
          <el-table-column
            label="序号"
            type="index"
            width="80px"
            sortable=""
          />
          <el-table-column
            label="姓名"
            prop="username"
            sortable=""
          />
          <el-table-column
            label="头像"
            align="center"
          >
            <template slot-scope="{row}">
              <img
                v-imagerror="require('@/assets/common/bigUserHeader.png')"
                :src="row.staffPhoto"
                style="border-radius: 50%; width: 100px; height: 100px; padding: 10px"
                alt=""
                @click="showQrcode(row.staffPhoto)"
              >
            </template>
          </el-table-column>
          <el-table-column
            label="工号"
            prop="workNumber"
            sortable=""
          />
          <el-table-column
            label="聘用形式"
            prop="formOfEmployment"
            :formatter="formatEmployment"
            sortable=""
          />
          <el-table-column
            label="部门"
            prop="departmentName"
            sortable=""
          />
          <el-table-column
            label="入职时间"
            prop="timeOfEntry"
            sortable=""
          >
            <template slot-scope="{row}">
              {{
                row.timeOfEntry | formatDate
              }}
            </template>
          </el-table-column>
          <el-table-column
            label="账户状态"
            prop="enableState"
            sortable
          >
            <template slot-scope="{row}">
              <el-switch :value="row.enableState === 1" />
            </template>
          </el-table-column>
          <el-table-column
            label="操作"
            sortable=""
            fixed="right"
            width="280"
          >
            <template slot-scope="{row}">
              <el-button
                type="text"
                size="small"
                @click="$router.push(`/employees/detail/${row.id}`)"
              >查看</el-button>
              <el-button
                type="text"
                size="small"
              >转正</el-button>
              <el-button
                type="text"
                size="small"
              >调岗</el-button>
              <el-button
                type="text"
                size="small"
              >离职</el-button>
              <el-button
                type="text"
                size="small"
                @click="editRole(row.id)"
              >角色</el-button>
              <el-button
                type="text"
                size="small"
                @click="deleteEmployee(row.id)"
              >删除</el-button>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-row
          type="flex"
          justify="center"
          align="middle"
          style="height: 60px"
        >
          <el-pagination
            :total="page.total"
            :current-page="page.page"
            :page-size="page.size"
            layout="prev, pager, next"
            @current-change="changePage"
          />
        </el-row>
      </el-card>
    </div>
    <!-- 新增用户 -->
    <add-employee :show-dialog.sync="showDialog" />
    <!-- 二维码 -->
    <el-dialog
      title="二维码"
      :visible.sync="showCodeDialog"
    >
      <el-row
        type="flex"
        justify="center"
        align="center"
        style="height:300px"
      >
        <canvas ref="myCanvas" />
      </el-row>
    </el-dialog>
    <!-- 角色 -->
    <AssignRole
      ref="assignRole"
      :value.sync="showRoleDialog"
      :user-id="userId"
    />
  </div>
</template>

<script>
import { getEmployeeList, delEmployee } from '@/api/employees'
import EmployeeEnum from '@/api/constant/employees'
import AddEmployee from './components/add-employee'
import qrc from 'qrcode'
// 导入角色分配
import AssignRole from './components/assign-role'
export default {
  components: {
    AddEmployee,
    AssignRole
  },
  data () {
    return {
      list: [], // 接数据的
      page: {
        page: 1, // 当前页码
        size: 10,
        total: 0 // 总数
      },
      showDialog: false,
      showCodeDialog: false,
      showRoleDialog: false,
      userId: null

    }
  },
  created () {
    this.getEmployeeList()
  },
  methods: {
    // 角色控制
    async editRole (id) {
      this.userId = id
      await this.$refs.assignRole.getUserDetailById(id)
      this.showRoleDialog = true
    },
    // 显示头像二维码
    showQrcode (url) {
      // url存在的情况下 才弹出层
      if (url) {
        this.showCodeDialog = true // 数据更新了 但是我的弹层会立刻出现吗 ？页面的渲染是异步的！！！！
        // 有一个方法可以在上一次数据更新完毕，页面渲染完毕之后
        this.$nextTick(() => {
          // 此时可以确认已经有ref对象了
          qrc.toCanvas(this.$refs.myCanvas, url) // 将地址转化成二维码
          // 如果转化的二维码后面信息 是一个地址的话 就会跳转到该地址 如果不是地址就会显示内容
        })
      } else {
        this.$message.warning('该用户还未上传头像')
      }
    },
    // 导出excel数据
    exportData () {
      //  做操作
      // 表头对应关系
      const headers = {
        '姓名': 'username',
        '手机号': 'mobile',
        '入职日期': 'timeOfEntry',
        '聘用形式': 'formOfEmployment',
        '转正日期': 'correctionTime',
        '工号': 'workNumber',
        '部门': 'departmentName'
      }
      // 懒加载
      import('@/vendor/Export2Excel').then(async excel => {
        // 获取所有的数据
        const { rows } = await getEmployeeList({ page: 1, size: this.page.total })
        const data = this.formatJson(headers, rows)
        console.log('导出数据：', data)
        // 导出数据
        excel.export_json_to_excel({
          header: Object.keys(headers),
          data,
          filename: '员工信息表',
          autoWidth: true,
          bookType: 'xlsx'

        })

        // 导出数据 =》 需要的格式
        // excel.export_json_to_excel({
        //   header: ['姓名', '薪资'],
        //   data: [['张三', 12000], ['李四', 5000]],
        //   filename: '员工薪资表',
        //   autoWidth: true,
        //   bookType: 'csv'
        // })
      })
    },
    // 导出复杂表头excel
    exportMutiData () {
      //  做操作
      // 表头对应关系
      const headers = {
        '姓名': 'username',
        '手机号': 'mobile',
        '入职日期': 'timeOfEntry',
        '聘用形式': 'formOfEmployment',
        '转正日期': 'correctionTime',
        '工号': 'workNumber',
        '部门': 'departmentName'
      }
      // 懒加载
      import('@/vendor/Export2Excel').then(async excel => {
        // 获取所有的数据
        const { rows } = await getEmployeeList({ page: 1, size: this.page.total })
        const data = this.formatJson(headers, rows)
        console.log(data)
        const multiHeader = [['姓名', '主要信息', '', '', '', '', '部门']]
        const merges = ['A1:A2', 'B1:F1', 'G1:G2']
        // 导出数据
        excel.export_json_to_excel({
          header: Object.keys(headers),
          data,
          filename: '员工信息表',
          autoWidth: true,
          bookType: 'xlsx',
          multiHeader, // 复杂表头
          merges // 合并选项

        })
        // 导出数据 =》 需要的格式
        // excel.export_json_to_excel({
        //   header: ['姓名', '薪资'],
        //   data: [['张三', 12000], ['李四', 5000]],
        //   filename: '员工薪资表',
        //   autoWidth: true,
        //   bookType: 'csv'
        // })
      })
    },
    // 该方法负责将数组转化成二维数组
    formatJson (headers, rows) {
      // 首先遍历数组
      // [{ username: '张三'},{},{}]  => [[’张三'],[],[]]
      return rows.map(item => {
        return Object.keys(headers).map(key => {
          if (headers[key] === 'formOfEmployment') {
            var en = EmployeeEnum.hireType.find(obj => obj.id === item[headers[key]])
            return en ? en.value : '未知'
          }

          return item[headers[key]]
        }) // => ["张三", "13811"，"2018","1", "2018", "10002"]
      })
      // return data
      // return rows.map(item => {
      //   // item是对象  => 转化成只有值的数组 => 数组值的顺序依赖headers  {username: '张三'  }
      //   // Object.keys(headers)  => ["姓名", "手机号",...]
      //   return Object.keys(headers).map(key => {
      //     return item[headers[key]]
      //   }) // /  得到 ['张三'，’129‘，’dd‘,'dd']
      // })
    },
    // 删除员工
    async deleteEmployee (id) {
      try {
        await this.$confirm('您确定删除该员工吗')
        await delEmployee(id)
        this.getEmployeeList()
        this.$message.success('删除员工成功')
      } catch (error) {
        console.log(error)
      }
    },
    // 格式化聘用形式
    formatEmployment (row, column, cellValue, index) {
      // 要去找 1所对应的值
      const obj = EmployeeEnum.hireType.find(item => item.id === cellValue)
      return obj ? obj.value : '未知'
    },
    changePage (newPage) {
      this.page.page = newPage
      this.getEmployeeList()
    },
    async getEmployeeList () {
      const { total, rows } = await getEmployeeList(this.page)
      this.page.total = total
      this.list = rows
    }
  }
}
</script>

<style>
</style>

